Portable telephone



FIG. 1 is a front, top and right side perspective view of a portabletelephone showing our new design;

FIG. 2 is a right side, top and rear perspective view thereof;

FIGS. 3 and 4 are respectively front and rear elevational views thereof;

FIGS. 5 and 6 are respectively left and right side elevational viewsthereof; and

FIGS. 7 and 8 are respectively top and bottom plan views thereof.

The ornamental design for a portable telephone, as shown and described.